WDT、WST系列無勵磁分接開關(條型)
WDT、WST Series de-energized Tap-changer (bar-form)

本開關由開關部分和操作轉動機構部分組成，適用于頻率50、60Hz，設備最高電壓40.5、126kV,額定電流200-1500A的油浸式電力變壓器，固定在器身或箱蓋上，在無勵磁狀態(tài)下分接調換。
This type of tap-changer is comprised by tap-changer body and operating mechanism. It is suitable for oil-immersed power transformer with frequency of 50、60Hz，highest voltage for equipment 40.5kV and 126kV，rated current from 200 to1 500A. The tap-changer is installed on tanking body and operating on tank cover ，they must be working under non-energized condition.

WDT | 線性調單相無勵磁條形分接開關
WDT | linear single-phase de-energized bar tap-changer

WDT II 系列無勵磁分接開關( 200~800A )
WDT II series de-energized tap-changer

WDT II 系列無勵磁分接開關( 1000~1500A )
WDT II series de-energized tap-changer

WST III 中心點引出條形分接開關
WST III neutral lead linearity tap-changer

WST III 250 ~ 400/40.5-5x5YL立式安裝三相無勵磁條形開關外形圖
Outine drawing of vertical installation of three- phase de-energized tap-changer

WST III 630 ~ 800/□-5x5YL立式安裝三相無勵磁條形開關外形圖
Outline drawing of vertical installation of three-phase de-energized tap-changer

W(D+L)T II 系列無勵磁條型分接開關(立式)
W(D+L)T II serial,no excitation strip tap-changer(vertical)